Energy Flow in Ecosystems Quiz

Diagram the flow of energy in a simple food chain consisting of grass, rabbits, and foxes. Which organism receives the least amount of energy?

• Grass

• Rabbits

• Foxes

• All receive the same amount of energy

Tags

NGSS.MS-LS2-3

In an energy pyramid, which level contains the most energy?

• Tertiary consumers

• Secondary consumers

• Primary consumers

• Producers

Tags

NGSS.MS-LS2-3

What happens to the energy that is not transferred to the next trophic level in an energy pyramid?

• It is destroyed

• It is recycled back to the producers

• It is lost as heat

• It remains in the same trophic level

Tags

NGSS.MS-LS2-3

Which of the following best describes how ecosystems are sustained?

• Through the continuous flow of energy and recycling of matter

• By the constant addition of new species

• Through the elimination of predators

• By the removal of decomposers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

In a forest ecosystem, which of the following is a primary consumer?

• Oak tree

• Deer

• Wolf

• Mushroom

Tags

NGSS.MS-LS2-3

How is matter recycled in an ecosystem?

• Through the process of photosynthesis

• By the action of decomposers breaking down dead organisms

• By the flow of energy from the sun

• Through the consumption of producers by consumers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following is a secondary consumer in a grassland ecosystem?

• Grass

• Rabbit

• Snake

• Hawk

Tags

NGSS.MS-LS2-3

What role do decomposers play in the recycling of nutrients?

• They produce energy for primary consumers

• They convert sunlight into chemical energy

• They break down dead organisms, returning nutrients to the soil

• They consume primary producers

Tags

NGSS.MS-LS2-3

Which of the following statements is true about energy flow in an ecosystem?

• Energy flows in a circular pattern

• Energy is recycled within the ecosystem

• Energy flows in one direction, from producers to consumers

• Energy is created by consumers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the primary source of energy for most ecosystems?

• The moon

• The sun

• Chemical reactions

• Wind

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6